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Diffstat (limited to 'include/asm-m68k/bootinfo.h')
| -rw-r--r-- | include/asm-m68k/bootinfo.h | 378 |
1 files changed, 378 insertions, 0 deletions
diff --git a/include/asm-m68k/bootinfo.h b/include/asm-m68k/bootinfo.h new file mode 100644 index 00000000000..fb8a06b9ab6 --- /dev/null +++ b/include/asm-m68k/bootinfo.h @@ -0,0 +1,378 @@ +/* +** asm/bootinfo.h -- Definition of the Linux/m68k boot information structure +** +** Copyright 1992 by Greg Harp +** +** This file is subject to the terms and conditions of the GNU General Public +** License. See the file COPYING in the main directory of this archive +** for more details. +** +** Created 09/29/92 by Greg Harp +** +** 5/2/94 Roman Hodek: +** Added bi_atari part of the machine dependent union bi_un; for now it +** contains just a model field to distinguish between TT and Falcon. +** 26/7/96 Roman Zippel: +** Renamed to setup.h; added some useful macros to allow gcc some +** optimizations if possible. +** 5/10/96 Geert Uytterhoeven: +** Redesign of the boot information structure; renamed to bootinfo.h again +** 27/11/96 Geert Uytterhoeven: +** Backwards compatibility with bootinfo interface version 1.0 +*/ + +#ifndef _M68K_BOOTINFO_H +#define _M68K_BOOTINFO_H + + + /* + * Bootinfo definitions + * + * This is an easily parsable and extendable structure containing all + * information to be passed from the bootstrap to the kernel. + * + * This way I hope to keep all future changes back/forewards compatible. + * Thus, keep your fingers crossed... + * + * This structure is copied right after the kernel bss by the bootstrap + * routine. + */ + +#ifndef __ASSEMBLY__ + +struct bi_record { + unsigned short tag; /* tag ID */ + unsigned short size; /* size of record (in bytes) */ + unsigned long data[0]; /* data */ +}; + +#endif /* __ASSEMBLY__ */ + + + /* + * Tag Definitions + * + * Machine independent tags start counting from 0x0000 + * Machine dependent tags start counting from 0x8000 + */ + +#define BI_LAST 0x0000 /* last record (sentinel) */ +#define BI_MACHTYPE 0x0001 /* machine type (u_long) */ +#define BI_CPUTYPE 0x0002 /* cpu type (u_long) */ +#define BI_FPUTYPE 0x0003 /* fpu type (u_long) */ +#define BI_MMUTYPE 0x0004 /* mmu type (u_long) */ +#define BI_MEMCHUNK 0x0005 /* memory chunk address and size */ + /* (struct mem_info) */ +#define BI_RAMDISK 0x0006 /* ramdisk address and size */ + /* (struct mem_info) */ +#define BI_COMMAND_LINE 0x0007 /* kernel command line parameters */ + /* (string) */ + + /* + * Amiga-specific tags + */ + +#define BI_AMIGA_MODEL 0x8000 /* model (u_long) */ +#define BI_AMIGA_AUTOCON 0x8001 /* AutoConfig device */ + /* (struct ConfigDev) */ +#define BI_AMIGA_CHIP_SIZE 0x8002 /* size of Chip RAM (u_long) */ +#define BI_AMIGA_VBLANK 0x8003 /* VBLANK frequency (u_char) */ +#define BI_AMIGA_PSFREQ 0x8004 /* power supply frequency (u_char) */ +#define BI_AMIGA_ECLOCK 0x8005 /* EClock frequency (u_long) */ +#define BI_AMIGA_CHIPSET 0x8006 /* native chipset present (u_long) */ +#define BI_AMIGA_SERPER 0x8007 /* serial port period (u_short) */ + + /* + * Atari-specific tags + */ + +#define BI_ATARI_MCH_COOKIE 0x8000 /* _MCH cookie from TOS (u_long) */ +#define BI_ATARI_MCH_TYPE 0x8001 /* special machine type (u_long) */ + /* (values are ATARI_MACH_* defines */ + +/* mch_cookie values (upper word) */ +#define ATARI_MCH_ST 0 +#define ATARI_MCH_STE 1 +#define ATARI_MCH_TT 2 +#define ATARI_MCH_FALCON 3 + +/* mch_type values */ +#define ATARI_MACH_NORMAL 0 /* no special machine type */ +#define ATARI_MACH_MEDUSA 1 /* Medusa 040 */ +#define ATARI_MACH_HADES 2 /* Hades 040 or 060 */ +#define ATARI_MACH_AB40 3 /* Afterburner040 on Falcon */ + + /* + * VME-specific tags + */ + +#define BI_VME_TYPE 0x8000 /* VME sub-architecture (u_long) */ +#define BI_VME_BRDINFO 0x8001 /* VME board information (struct) */ + +/* BI_VME_TYPE codes */ +#define VME_TYPE_TP34V 0x0034 /* Tadpole TP34V */ +#define VME_TYPE_MVME147 0x0147 /* Motorola MVME147 */ +#define VME_TYPE_MVME162 0x0162 /* Motorola MVME162 */ +#define VME_TYPE_MVME166 0x0166 /* Motorola MVME166 */ +#define VME_TYPE_MVME167 0x0167 /* Motorola MVME167 */ +#define VME_TYPE_MVME172 0x0172 /* Motorola MVME172 */ +#define VME_TYPE_MVME177 0x0177 /* Motorola MVME177 */ +#define VME_TYPE_BVME4000 0x4000 /* BVM Ltd. BVME4000 */ +#define VME_TYPE_BVME6000 0x6000 /* BVM Ltd. BVME6000 */ + +/* BI_VME_BRDINFO is a 32 byte struct as returned by the Bug code on + * Motorola VME boards. Contains board number, Bug version, board + * configuration options, etc. See include/asm/mvme16xhw.h for details. + */ + + + /* + * Macintosh-specific tags (all u_long) + */ + +#define BI_MAC_MODEL 0x8000 /* Mac Gestalt ID (model type) */ +#define BI_MAC_VADDR 0x8001 /* Mac video base address */ +#define BI_MAC_VDEPTH 0x8002 /* Mac video depth */ +#define BI_MAC_VROW 0x8003 /* Mac video rowbytes */ +#define BI_MAC_VDIM 0x8004 /* Mac video dimensions */ +#define BI_MAC_VLOGICAL 0x8005 /* Mac video logical base */ +#define BI_MAC_SCCBASE 0x8006 /* Mac SCC base address */ +#define BI_MAC_BTIME 0x8007 /* Mac boot time */ +#define BI_MAC_GMTBIAS 0x8008 /* Mac GMT timezone offset */ +#define BI_MAC_MEMSIZE 0x8009 /* Mac RAM size (sanity check) */ +#define BI_MAC_CPUID 0x800a /* Mac CPU type (sanity check) */ +#define BI_MAC_ROMBASE 0x800b /* Mac system ROM base address */ + + /* + * Macintosh hardware profile data - unused, see macintosh.h for + * resonable type values + */ + +#define BI_MAC_VIA1BASE 0x8010 /* Mac VIA1 base address (always present) */ +#define BI_MAC_VIA2BASE 0x8011 /* Mac VIA2 base address (type varies) */ +#define BI_MAC_VIA2TYPE 0x8012 /* Mac VIA2 type (VIA, RBV, OSS) */ +#define BI_MAC_ADBTYPE 0x8013 /* Mac ADB interface type */ +#define BI_MAC_ASCBASE 0x8014 /* Mac Apple Sound Chip base address */ +#define BI_MAC_SCSI5380 0x8015 /* Mac NCR 5380 SCSI (base address, multi) */ +#define BI_MAC_SCSIDMA 0x8016 /* Mac SCSI DMA (base address) */ +#define BI_MAC_SCSI5396 0x8017 /* Mac NCR 53C96 SCSI (base address, multi) */ +#define BI_MAC_IDETYPE 0x8018 /* Mac IDE interface type */ +#define BI_MAC_IDEBASE 0x8019 /* Mac IDE interface base address */ +#define BI_MAC_NUBUS 0x801a /* Mac Nubus type (none, regular, pseudo) */ +#define BI_MAC_SLOTMASK 0x801b /* Mac Nubus slots present */ +#define BI_MAC_SCCTYPE 0x801c /* Mac SCC serial type (normal, IOP) */ +#define BI_MAC_ETHTYPE 0x801d /* Mac builtin ethernet type (Sonic, MACE */ +#define BI_MAC_ETHBASE 0x801e /* Mac builtin ethernet base address */ +#define BI_MAC_PMU 0x801f /* Mac power management / poweroff hardware */ +#define BI_MAC_IOP_SWIM 0x8020 /* Mac SWIM floppy IOP */ +#define BI_MAC_IOP_ADB 0x8021 /* Mac ADB IOP */ + + /* + * Mac: compatibility with old booter data format (temporarily) + * Fields unused with the new bootinfo can be deleted now; instead of + * adding new fields the struct might be splitted into a hardware address + * part and a hardware type part + */ + +#ifndef __ASSEMBLY__ + +struct mac_booter_data +{ + unsigned long videoaddr; + unsigned long videorow; + unsigned long videodepth; + unsigned long dimensions; + unsigned long args; + unsigned long boottime; + unsigned long gmtbias; + unsigned long bootver; + unsigned long videological; + unsigned long sccbase; + unsigned long id; + unsigned long memsize; + unsigned long serialmf; + unsigned long serialhsk; + unsigned long serialgpi; + unsigned long printmf; + unsigned long printhsk; + unsigned long printgpi; + unsigned long cpuid; + unsigned long rombase; + unsigned long adbdelay; + unsigned long timedbra; +}; + +extern struct mac_booter_data + mac_bi_data; + +#endif + + /* + * Apollo-specific tags + */ + +#define BI_APOLLO_MODEL 0x8000 /* model (u_long) */ + + /* + * HP300-specific tags + */ + +#define BI_HP300_MODEL 0x8000 /* model (u_long) */ +#define BI_HP300_UART_SCODE 0x8001 /* UART select code (u_long) */ +#define BI_HP300_UART_ADDR 0x8002 /* phys. addr of UART (u_long) */ + + /* + * Stuff for bootinfo interface versioning + * + * At the start of kernel code, a 'struct bootversion' is located. + * bootstrap checks for a matching version of the interface before booting + * a kernel, to avoid user confusion if kernel and bootstrap don't work + * together :-) + * + * If incompatible changes are made to the bootinfo interface, the major + * number below should be stepped (and the minor reset to 0) for the + * appropriate machine. If a change is backward-compatible, the minor + * should be stepped. "Backwards-compatible" means that booting will work, + * but certain features may not. + */ + +#define BOOTINFOV_MAGIC 0x4249561A /* 'BIV^Z' */ +#define MK_BI_VERSION(major,minor) (((major)<<16)+(minor)) +#define BI_VERSION_MAJOR(v) (((v) >> 16) & 0xffff) +#define BI_VERSION_MINOR(v) ((v) & 0xffff) + +#ifndef __ASSEMBLY__ + +struct bootversion { + unsigned short branch; + unsigned long magic; + struct { + unsigned long machtype; + unsigned long version; + } machversions[0]; +}; + +#endif /* __ASSEMBLY__ */ + +#define AMIGA_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) +#define ATARI_BOOTI_VERSION MK_BI_VERSION( 2, 1 ) +#define MAC_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) +#define MVME147_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) +#define MVME16x_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) +#define BVME6000_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) +#define Q40_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) +#define HP300_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) + +#ifdef BOOTINFO_COMPAT_1_0 + + /* + * Backwards compatibility with bootinfo interface version 1.0 + */ + +#define COMPAT_AMIGA_BOOTI_VERSION MK_BI_VERSION( 1, 0 ) +#define COMPAT_ATARI_BOOTI_VERSION MK_BI_VERSION( 1, 0 ) +#define COMPAT_MAC_BOOTI_VERSION MK_BI_VERSION( 1, 0 ) + +#include <linux/zorro.h> + +#define COMPAT_NUM_AUTO 16 + +struct compat_bi_Amiga { + int model; + int num_autocon; + struct ConfigDev autocon[COMPAT_NUM_AUTO]; + unsigned long chip_size; + unsigned char vblank; + unsigned char psfreq; + unsigned long eclock; + unsigned long chipset; + unsigned long hw_present; +}; + +struct compat_bi_Atari { + unsigned long hw_present; + unsigned long mch_cookie; +}; + +#ifndef __ASSEMBLY__ + +struct compat_bi_Macintosh +{ + unsigned long videoaddr; + unsigned long videorow; + unsigned long videodepth; + unsigned long dimensions; + unsigned long args; + unsigned long boottime; + unsigned long gmtbias; + unsigned long bootver; + unsigned long videological; + unsigned long sccbase; + unsigned long id; + unsigned long memsize; + unsigned long serialmf; + unsigned long serialhsk; + unsigned long serialgpi; + unsigned long printmf; + unsigned long printhsk; + unsigned long printgpi; + unsigned long cpuid; + unsigned long rombase; + unsigned long adbdelay; + unsigned long timedbra; +}; + +#endif + +struct compat_mem_info { + unsigned long addr; + unsigned long size; +}; + +#define COMPAT_NUM_MEMINFO 4 + +#define COMPAT_CPUB_68020 0 +#define COMPAT_CPUB_68030 1 +#define COMPAT_CPUB_68040 2 +#define COMPAT_CPUB_68060 3 +#define COMPAT_FPUB_68881 5 +#define COMPAT_FPUB_68882 6 +#define COMPAT_FPUB_68040 7 +#define COMPAT_FPUB_68060 8 + +#define COMPAT_CPU_68020 (1<<COMPAT_CPUB_68020) +#define COMPAT_CPU_68030 (1<<COMPAT_CPUB_68030) +#define COMPAT_CPU_68040 (1<<COMPAT_CPUB_68040) +#define COMPAT_CPU_68060 (1<<COMPAT_CPUB_68060) +#define COMPAT_CPU_MASK (31) +#define COMPAT_FPU_68881 (1<<COMPAT_FPUB_68881) +#define COMPAT_FPU_68882 (1<<COMPAT_FPUB_68882) +#define COMPAT_FPU_68040 (1<<COMPAT_FPUB_68040) +#define COMPAT_FPU_68060 (1<<COMPAT_FPUB_68060) +#define COMPAT_FPU_MASK (0xfe0) + +#define COMPAT_CL_SIZE (256) + +struct compat_bootinfo { + unsigned long machtype; + unsigned long cputype; + struct compat_mem_info memory[COMPAT_NUM_MEMINFO]; + int num_memory; + unsigned long ramdisk_size; + unsigned long ramdisk_addr; + char command_line[COMPAT_CL_SIZE]; + union { + struct compat_bi_Amiga bi_ami; + struct compat_bi_Atari bi_ata; + struct compat_bi_Macintosh bi_mac; + } bi_un; +}; + +#define bi_amiga bi_un.bi_ami +#define bi_atari bi_un.bi_ata +#define bi_mac bi_un.bi_mac + +#endif /* BOOTINFO_COMPAT_1_0 */ + + +#endif /* _M68K_BOOTINFO_H */ |